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The Chennai Climate Consortium, known simply as C3, is a pioneering effort by EAI and its business partners to dramatically accelerate decarbonization for Chennai-based industries & commercial units through a Think Local approach.

C3 is a community of passionate, action oriented Chennai folks keen to contribute their bit to fight climate change.

C3 is possibly the first industry-led city-focused climate action platform in the world.

C3 is at the core a multi-stakeholder collaboration platform that facilitates all the key drivers for faster decarbonization – low carbon solution awareness & intelligence, effective interactions between key stakeholders, And faster commercialization of innovations to fight climate change

C3 does these through a mix of research, workshops, awareness programs, and multi-stakeholder engagement facilitation.

C3 is run by a core team comprising stakeholders from key components of the climate action ecosystems – startups, investors, end users, policymakers, consultants, academic researchers, and also media.

The C3 core team as of February 2023 comprises the following:

Narasimhan Santhanam (Narsi)

Director, EAI – a climate tech consulting firm

Nithish Sairam

CEO, Illumine-i – solar solutions startup

Toine van Megen

Co-founder, Auroville Consulting – a firm focusing on climate policy design & support

Vineeth Vijayaraghavan

SPI Family office – representing investors

Satyanarayanan Seshadri

Faculty, IIT Madras – with a keen research interest in low carbon energy & climate tech

Ramesh Matham

Associate Editor – Business Line – representing the media

C3 Portal

C3 Updates

Get to know the latest updates on climate action for Chennai


C3 Profiles

Get to know people & organizations at the forefront of climate action


C3 Insights

Insights & intelligence on Chennai focussed decarbonization topics from the C3 research team.


C3 Events

Latest updates and listing of climate action events in and around Chennai


C3 Connect

The spot where decarbonization solution providers can connect with industries who need their solutions, all with a Chennai focus.


C3 Club

Join the community of folks passionate about climate action for Chennai


Contact C3

Chennai Climate Consortium (C3)

A5C, Anugraha, 41, Nungambakkam High Road

Nungambakkam, Chennai 600034

Landmark: Next to the Taj Coromandel hotel